Not Updated For Current Season
The masteries shown here are not yet updated for the current season, the guide author needs to set up the new masteries. As such, they will be different than the masteries you see in-game.
Rod of Age
Now you can use one of the 2 items for the build:
Void Staff:Buy void staff when enemy team has many tanks.
Abyssal Scepter:Buy this item when enemy have magics or other one,this items give you much magic resistence.